//#include "stdafx.h"

#define NUM_USER 480189
#define NUM_MOVIE 17770
#define NUM_HIDDEN 10
#define NUM_VISIBLE 17770
#define NUM_RATE 100480507
#define NUM_PROBE 1408395


#define ITERATION_TIMES 20

struct rate_info{
	int info;
	rate_info* next;
};
struct user_rates{
	rate_info* first_rate;
	rate_info* last_rate;
};

